package ooday01;

public class StudentTest {
    public static void main(String[] args) {
        Student lzj =new Student();
         lzj.name="李舟君";
         lzj.age=40;
         lzj.className="云居山";
         lzj.study();//对象中基本不用形参了
         lzj.sayHI();


         Student ww= new Student();
         ww.name="王五";
         ww.age=30;
         ww.className="火枫山";
         ww.study();//默认值为0和null
         ww.sayHI();
    }
}
